Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
U11BCLost Brake Switch Message
Manufacturer communications
3Original wording in English
JEEP
Not applicable to vehicles built for US market. Multiple Systems Repair Bundle Campaign Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● U11E3-00 - TCM Lost Communication With ESM On DPT CAN. ● B15A1-00 - Med…
ALFA ROMEO
Flash: MIL Illumination And Transmission Over Temperature Message This bulletin involves updating the Body Control Module (BCM) software. The customer may notice a cluster message ?Transmission Over Temperature? that appears for a short time and the Malfunction Indicator Lamp (MIL) may turn on. The customer may also notice that …
ALFA ROMEO
Transmission Over Temperature Message This bulletin involves updating the Body Control Module (BCM) software. The customer may notice a cluster message ?Transmission Over Temperature? that appears for a short time and the Malfunction Indicator Lamp (MIL) may turn on. The customer may also notice that the Dynamic Car Control Syst…
Check vehicle applicability
5A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Alfa Romeo | 4C ↗ | 2015 |
| Jeep | WRANGLER ↗ | 2025 |
| Jeep | WRANGLER ↗ | 2024 |
| Jeep | WRANGLER 4XE ↗ | 2025 |
| Jeep | WRANGLER 4XE ↗ | 2024 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.